.reference-page .breadcrumbs ol {
  margin-bottom: 28px;
}

.reference-page .main-nav > a[href="/reference/"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.reference-project-page .service-hero h1 {
  max-width: 1040px;
  font-size: clamp(2rem, 4.3vw, 4rem);
}

.reference-content {
  padding: 64px 0 80px;
  background: var(--paper-bright);
  color: var(--ink);
}

.reference-folders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reference-folder {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 144px;
  height: 100%;
  padding: 28px;
  border: 1px solid #d8ddd4;
  background: #fff;
  transition: border-color 180ms ease, background 180ms ease;
}

.reference-folder:hover {
  border-color: var(--lime-deep);
  background: #eef8dd;
}

.reference-folder svg {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  color: #416900;
}

.reference-folder span {
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.reference-category-nav {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink-soft);
}

.reference-category-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reference-category-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid var(--line);
  font-size: 1rem;
  font-weight: 750;
}

.reference-category-nav a:hover,
.reference-category-nav a[aria-current] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.reference-projects {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reference-project-card {
  display: block;
  height: 100%;
  border: 1px solid #d8ddd4;
  background: #fff;
}

.reference-project-card:hover {
  border-color: #416900;
}

.reference-project-card > img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.reference-project-copy {
  padding: 12px;
}

.reference-project-copy h2 {
  margin: 0 0 8px;
  font-size: clamp(0.875rem, 1.1vw, 1rem);
  line-height: 1.35;
}

.reference-project-copy p {
  margin: 0;
  color: #525952;
  font-size: 0.8125rem;
}

.reference-gallery {
  columns: 12;
  column-gap: 6px;
}

.reference-gallery--grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}

.reference-gallery--grid .reference-photo {
  margin: 0;
}

.reference-photo {
  break-inside: avoid;
  margin: 0 0 6px;
}

.reference-photo a {
  display: block;
  cursor: zoom-in;
  background: #e6eae1;
}

.reference-photo img {
  width: 100%;
  height: auto;
}

.reference-photo a:hover {
  outline: 3px solid var(--lime-deep);
  outline-offset: 3px;
}

.reference-lightbox {
  width: min(1200px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100svh - 32px);
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.reference-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.9);
}

.reference-lightbox-head,
.reference-lightbox-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.reference-lightbox-head {
  margin-bottom: 16px;
}

.reference-lightbox-controls {
  flex-wrap: wrap;
  margin-top: 16px;
}

.reference-lightbox h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.reference-lightbox button {
  min-width: 48px;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  color: var(--paper);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
}

.reference-lightbox button:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.reference-lightbox figure {
  margin: 0;
}

.reference-lightbox-image {
  width: 100%;
  height: min(68svh, 780px);
  object-fit: contain;
}

.reference-lightbox-controls p {
  margin: 0;
  font-size: 1rem;
  white-space: nowrap;
}

body.gallery-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  .reference-folders {
    gap: 16px;
  }

  .reference-folder {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  .reference-gallery {
    columns: 8;
  }
}

@media (max-width: 600px) {
  .reference-content {
    padding: 40px 0 56px;
  }

  .reference-folders {
    grid-template-columns: 1fr;
  }

  .reference-projects {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .reference-project-copy {
    padding: 8px;
    overflow-wrap: anywhere;
  }

  .reference-folder {
    flex-direction: row;
    align-items: center;
    min-height: 104px;
  }

  .reference-category-nav a {
    padding-inline: 16px;
  }

  .reference-gallery {
    columns: 4;
  }

  .reference-gallery--grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .reference-lightbox {
    width: calc(100% - 16px);
    max-height: calc(100svh - 16px);
    padding: 12px;
  }

  .reference-lightbox-image {
    height: 58svh;
  }

  .reference-lightbox button {
    padding-inline: 10px;
  }
}